OBD-II Generic Error Code P0185: How to Fix It

Q: What does OBD-II code P0185 mean?

P0185 means the Powertrain Control Module (PCM) has detected a malfunction in the fuel temperature sensor 'B' circuit. This can affect fuel delivery and engine performance.

Q: Can I drive with a P0185 code?

You can drive short distances, but it may cause poor fuel economy, rough idle, or hard starting. It's best to diagnose and repair as soon as possible.

Q: How much does it cost to fix P0185?

A fuel temperature sensor costs $20-$80, and labor at a shop can run $100-$200. DIY repair only costs the part.

Q: Where is the fuel temperature sensor located?

It is typically located on the fuel rail, fuel line, or inside the fuel tank (part of the fuel pump module). Consult your vehicle's service manual.

Q: What are common symptoms of a bad fuel temperature sensor?

Symptoms include check engine light, poor fuel economy, rough idle, hard starting, and possibly black smoke from exhaust.

Abstract

Error code P0185 indicates a problem with the fuel temperature sensor 'B' circuit in your vehicle. This sensor monitors fuel temperature to optimize engine performance and emissions. A faulty sensor or wiring issue can trigger this code, potentially causing driveability problems.